<template>
    <div class="app-container">
        <!-- header区域 -->
        <mt-header class="header" fixed title="项目" >
          <router-link to="/" slot="left" v-show="flag">
            <mt-button icon="back" @click="goBack">返回</mt-button>
          </router-link>
        </mt-header>
        <!-- 内容区域 -->
        <transition>
          <router-view></router-view>
        </transition>
        <!-- 选择标签区域 -->
        <nav class="mui-bar mui-bar-tab">
          <router-link to="/home" class="mui-tab-item-llb">
            <span class="mui-icon mui-icon-home"></span>
            <span class="mui-tab-label">首页</span>
          </router-link>
          <router-link class="mui-tab-item-llb" to="/member">
            <span class="mui-icon mui-icon-contact"></span>
            <span class="mui-tab-label">会员</span>
          </router-link>
          <router-link class="mui-tab-item-llb" to="/shopcar">
            <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge">{{ $store.getters.getAllCount }}</span></span>
            <span class="mui-tab-label">购物车</span>
          </router-link>
          <router-link class="mui-tab-item-llb" to="/search">
            <span class="mui-icon mui-icon-search"></span>
            <span class="mui-tab-label">搜索</span>
          </router-link>
        </nav>
    </div>
</template>

<script>
export default {
  data(){
    return {
      flag: false
    }
  },
  created(){
    this.getPath()
  },
  methods: {
    goBack(){
      this.$router.go(-1)
    },
    getPath(){
      console.log(this.$route)
    }
  },
  watch: {
    "$route.path": function(newVal){
      if(newVal === "/home"){
        this.flag = false
      }else{
        this.flag = true
      }
    }
  }
};
</script>


<style>
.header{
  background-color: rgba(65, 105, 225, 1);
  border-radius: 0 0 0.9em 0.9em;
}
.app-container{
  padding-top: 40px;
  padding-bottom: 50px;
  overflow-x: hidden;
}
.mint-header.is-fixed{
  z-index: 99;
}
.v-enter{
  opacity: 0;
  transform: translateX(100%);
}
.v-leave-to{
  opacity: 0;
  transform: translateX(-100%);
  position: absolute;
}
.v-enter-active,
.v-leave-active{
  transition: all .4s ease;
}

.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
